Dr. Guy Patrick Murphy, MD

  • Germantown, MD
  • Emergency medicine physician
NPI1467405548
Medicare services, 2024
586
Medicare patients, 2024
557
Part D claims, 2024
291
Industry payments
$73
Medical groups
3
Practice address
19801 Observation Dr, Germantown, MD 20876
Practice phone
Call (301) 754-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Holy Cross Germantown Hospital

Germantown, Maryland

See all 4 affiliations

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Dr. Guy Patrick Murphy is an emergency medicine physician in Germantown, Maryland

Dr. Murphy practices at Holy Cross Germantown Hospital in Germantown, Maryland.

Dr. Murphy's NPI, 1467405548, was assigned on May 18, 2006. Dr. Murphy holds Colorado license DR.0055216.

NPI and contact details
NPI enumeration date
May 18, 2006
NPI status
Active
Practice phone
(301) 754-7000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Guy Patrick Murphy practices at Holy Cross Germantown Hospital in Germantown, Maryland

Dr. Murphy's primary practice is Holy Cross Germantown Hospital, at 19801 Observation Dr, Germantown, MD 20876 in Montgomery County. The practice phone is (301) 754-7000.

  • Holy Cross Germantown Hospital
    19801 Observation Dr, Germantown, MD 20876 · Montgomery CountyPhone(301) 754-7000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Guy Patrick Murphy is affiliated with 1 site of care and 3 medical groups

Dr. Murphy's primary practice is Holy Cross Germantown Hospital in Germantown, Maryland. The medical group on file is Emergency Medicine Physicians (EMP). Dmand AI also links Dr. Murphy to 2 more medical groups, each named with a free account.

See all 4 affiliations for Dr. Murphy

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Guy Patrick Murphy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Murphy practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Holy Cross Germantown HospitalAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Guy Patrick Murphy is one of 1,057 emergency medicine physicians in Maryland

Emergency medicine is Dr. Murphy's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Murphy's licenses on file in 3 states: Colorado, Maryland and Virginia.

Specialties and state licenses

  • Emergency medicine, ColoradoPrimaryLicense DR.0055216 · taxonomy 207P00000X
  • Maryland licenseLicense D0041624
  • Virginia licenseLicense 0101046664

Emergency medicine physicians near Dr. Murphy

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Guy Patrick Murphy billed Medicare for 586 services in 2024

CMS data shows 586 Medicare services from Dr. Murphy across 5 procedure codes in 2024, for 557 Medicare patients. Medicare paid $78,150 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024586
Medicare patients557
Paid by Medicare$78,150
Procedure codes5

Dr. Murphy's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5462024: 5653%
Tests and treatments
2023: 02024: 21

Dr. Murphy compared with the Maryland median for emergency medicine physicians, 2024

  • Dr. Murphy
  • Maryland median
Medicare services
586vs 30095% above
Medicare patients
557vs 29291% above
Part D claims
113vs 442.6 times

Medians across 1,040 emergency medicine physicians in Maryland with Dmand AI profiles that report each measure.

Dr. Murphy's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Murphy

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Guy Patrick Murphy treated 557 Medicare patients in 2024, average age 75

CMS counts 557 Medicare patients who saw Dr. Murphy in 2024. The largest group is 75 to 84, with 191 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Murphy's median patient age at 37, with 0% women.

Medicare patients, 2024557
Average age75
Average risk score1.98
Also on Medicaid32%

Dr. Murphy's Medicare patients by age, 2024

Dr. Murphy's Medicare patients by sex, 2024

  • Women34462%
  • Men21338%

Chronic conditions among Dr. Murphy's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Diabetes45%
  5. Mood disorders43%
  6. Chronic kidney disease39%
  7. Ischemic heart disease39%
  8. Depression37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Murphy's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 37

Patient panel by sex, all payers

  • Women0%
  • Men100%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Guy Patrick Murphy wrote 291 Medicare Part D claims in 2024

In 2024, Dr. Murphy wrote 291 Medicare Part D claims for 194 patients. 97% of them were for generic drugs. CMS names the drug for 113 of them, across 6 drugs with 11 or more claims each, at $616 in total drug cost. In 2023, CMS named 87 claims across 5 drugs.

Part D claims, 2024291
Drugs named by CMS6
Total drug cost$616
Part D patients194

Dr. Murphy's Part D claims by kind of drug, 2024

  • Generic281 claims97%
  • Brand-name and other10 claims3%

Dr. Murphy's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Murphy's Part D claims, 2024

  • Opioids9%26 of 291 claims
  • Antibiotics18%51 of 291 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 872024: 11330%

Drugs named by CMS: 6 in 2024, 5 in 2023.

See all prescribing by Dr. Murphy

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Guy Patrick Murphy received $73 in industry payments from 2016 to 2022

CMS Open Payments shows 4 general payments to Dr. Murphy from 2 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $43.

General payments to Dr. Murphy by program year, 2016 to 2022

Companies that paid Dr. Murphy the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Murphy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Guy Patrick Murphy's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Guy Patrick Murphy

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Guy Patrick Murphy's NPI number?

Dr. Guy Patrick Murphy's NPI number is 1467405548. It was assigned on May 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Guy Patrick Murphy?

Dr. Guy Patrick Murphy is an emergency medicine physician in Germantown, Maryland. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Guy Patrick Murphy practice?

Dr. Murphy practices at 19801 Observation Dr, Germantown, MD 20876. Dr. Murphy's primary practice is Holy Cross Germantown Hospital in Germantown, Maryland. Dmand AI also links Dr. Murphy to 2 medical groups.

What is Dr. Guy Patrick Murphy's office phone number?

The practice phone on file for Dr. Murphy is (301) 754-7000.

What is Dr. Guy Patrick Murphy's medical license number?

Dr. Murphy holds Colorado license DR.0055216, one of the licenses on file in 3 states.

Which states has Dr. Guy Patrick Murphy been licensed in?

Dmand AI has state licenses on file for Dr. Murphy in Colorado, Maryland and Virginia.

What medical group is Dr. Guy Patrick Murphy part of?

Dr. Murphy is linked to Emergency Medicine Physicians (EMP). Dmand AI links Dr. Murphy to 2 more medical groups.

Does Dr. Guy Patrick Murphy accept Medicare?

Yes. CMS data shows Dr. Murphy billed Medicare for 586 services in 2024.

How many Medicare patients does Dr. Guy Patrick Murphy see?

CMS counts 557 Medicare patients who saw Dr. Murphy in 2024, with an average age of 75.

What services does Dr. Guy Patrick Murphy bill to Medicare?

In 2024, Dr. Murphy's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Show 3 more questionsShow fewer questions

What drugs does Dr. Guy Patrick Murphy prescribe most?

In 2024 Medicare Part D data, Dr. Murphy's most prescribed drugs by claims were Naproxen, Cefuroxime and Prednisone.

Has Dr. Guy Patrick Murphy received payments from drug or device companies?

CMS Open Payments shows $73 in general payments to Dr. Murphy from 2 companies from 2016 to 2022. The largest total came from Novo Nordisk Inc.

How long has Dr. Guy Patrick Murphy been practicing?

Dr. Murphy graduated from medical school in 1988, 38 years ago.

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